US Bridges

Local over Lytle Creek

Fair

Dubuque County, Iowa · 087E21802 · Structure no. 000000000145791

Built
1981
44 years old
Condition
Fair
inspected March 2023
Type
Tee Beam
Concrete
Length
66 ft
2 main spans
Daily traffic
45
2021 count
Owner
County
County Highway Agency

About this bridge

Local over Lytle Creek is a concrete tee beam carrying Local over Lytle Creek in Dubuque County, Iowa. It was built in 1981, so it is 44 years old, younger than the Iowa average of 45.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 45 vehicles a day, projected to reach 45 by 2043. The structure is 66 ft (20.1 m) long and 28 ft wide.

Location

Open in Google Maps
CarriesLocal
CrossesLytle Creek
Location087E21802
RouteCounty Highway 0
CountyDubuque County
StateIowa
Coordinates42.34218, -90.77116
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating30.8 US tons
Inventory rating23.6 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length66 ft (20.1 m)
Longest span35 ft (10.7 m)
Deck width28 ft (8.5 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic45 (2021)
Projected traffic45 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Local over Lytle Creek built?

It was built in 1981, making it 44 years old in 2025.

What condition is Local over Lytle Creek in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in March 2023.

How much traffic does Local over Lytle Creek carry?

About 45 vehicles per day (2021 count).

How long is Local over Lytle Creek?

The structure is 66 ft (20.1 m) long with a longest span of 35 ft (10.7 m) and a deck 28 ft wide.

Who owns Local over Lytle Creek?

It is owned by the County Highway Agency.